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Similar Triangles
Author:
Lee Ka Hei
The similar triangles ABC and ADE were created by selecting a point on side AB and constructing a line parallel to BC.
GeoGebra
Drag any vertex of triangle ABC to change the triangle or drag D to change the size of triangle ADE.
New Resources
Roman Numerals Bingo
Slipper
Droste effect
aperiodic monotile construction_step by step
Droste effect draft
Discover Resources
Segmentos congruentes
Perspective Diagonals
Step 5
[洋葱] 费马点问题
GPGP (DRAFT 3)
Discover Topics
Conic Sections
Cylinder
Step Functions
Tangent Function
Volume